ATI RN
Epidemiology Test Questions and Answers PDF Questions
Question 1 of 5
What does the term 'confounder' refer to in epidemiology?
Correct Answer: A
Rationale: Confounder (A) affects exposure-outcome links (e.g., age). B is error, C is bias, D is a response.
Question 2 of 5
The parameter that can be used to obtain the best estimate of the prevalence of dental caries is
Correct Answer: C
Rationale: DMF rate directly measures caries prevalence.
Question 3 of 5
All the following are independently associated with poor prognosis in colon cancer EXCEPT
Correct Answer: A
Rationale: Size alone isn’t prognostic; others are.
Question 4 of 5
Which of the following patients is most likely to have a stroke within a year?
Correct Answer: D
Rationale: TIA has highest 1-year stroke risk (~10-20%); A and B lower, C and E minimal.
Question 5 of 5
Cigarette smoking increases the risk of acquiring cancers of all the following EXCEPT
Correct Answer: D
Rationale: Liver cancer isn’t strongly linked to smoking; others are.